1957 Grand Prix motorcycle racing season
Sports season / From Wikipedia, the free encyclopedia
The 1957 Grand Prix motorcycle racing season was the ninth F.I.M. Road Racing World Championship Grand Prix season. The season consisted of six Grand Prix races in five classes: 500cc, 350cc, 250cc, 125cc and Sidecars 500cc. It began on 19 May, with German Grand Prix and ended with Nations Grand Prix in Italy on 1 September.